MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, a technique often used to overwhelm security measures or to distribute malicious content. One of the primary links, 'https://ttraff.com/pify?keyword=associativismo+e+organiza%25C3%25A7%25C3%25B5es+volunt%25C3%25A1rias+pdf', is identified as a malicious redirector. The document body itself is heavily obfuscated and contains a mix of legitimate-looking text and what appears to be encoded data, further suggesting a malicious intent to disguise its true purpose.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://ttraff.com/pify?keyword=associativismo+e+organiza%25C3%25A7%25C3%25B5es+volunt%25C3%25A1rias+pdf In PDF document text
- http://files.andridgesoundhealing.com/uploads/1/3/1/4/131408928/5965160.pdfIn PDF document text
- http://files.yasminevintage.com/uploads/1/3/2/8/132814146/0ae1bca5eed334.pdfIn PDF document text
- http://files.projectufo.org/uploads/1/3/0/7/130739381/4877757.pdfIn PDF document text
- http://files.eastafricanscholarsfund.org/uploads/1/3/0/7/130776718/vemofuva.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7063/6710/files/75342859070.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8867/4967/files/10838184562.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/45560821546.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0976/8600/files/66845603104.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7728/0671/files/72560673782.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9928/1821/files/43701382794.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7547/7416/files/kalitelum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3340/2266/files/rolurulabuloriroxa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4571/6129/files/kipumexubakapadosofobon.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8800/2710/files/95284634485.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/munuzajutajamarigeregutoz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9179/6902/files/characteristics_of_procedural_programming.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/3314/8062/files/52551115355.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4035/9068/files/xidag.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000836d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x836D | 6208 bytes |
SHA-256: 33fc62a53fe41d7b69517211fd9d6049007dbc769cc082c0b830b4a0e03a565f |
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font_01_sfnt_off0000977e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x977E | 12012 bytes |
SHA-256: 95a0ffa945fb0b7c1a8a619706f0c13109c6943cff27556be6523b33544cd3ed |
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